Angela N Croessman-Marshall, AGNP-C

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

209032939 Issued in IL

Practice address

3 Saint Elizabeth Blvd Ste 5000
O Fallon, IL 62269-1282

Phone

(618) 641-5803

Fax

(618) 607-5116

NPI assigned

Aug 13, 2025

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other names 1

• Ms. Angela N Croessman Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO, IL2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Southern Illinois Healthcare Foundation IncGroup PAC ID 1456256874, 117 clinicians

HSHS Medical Group IncGroup PAC ID 5092857821, 212 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health Saint Louis University Hospital Hospital, Saint Louis, MO, CCN 260105

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aboyettnelson229512@ewd.direct.hshs.org
• Direct secure messaging: acroessmanmarshall561439@direct-ehr-ssmhc.com
• Direct secure messaging: angela.croessman-marshall.1@9559.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• SSM Health Care Group

  dba SLUCare Physician Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544
  Medicare reassignment Care Compare group NPD
• HSHS Medical Group Inc

  • Multi-Specialty Clinic/Center
  • Springfield, IL
  • NPI 1962644807
  Medicare reassignment Care Compare group NPD (past)
• Southern Illinois Healthcare Foundation Inc

  dba Centreville Health Center

  • Federally Qualified Health Center (FQHC)
  • Centreville, IL
  • NPI 1609813500
  Medicare reassignment Care Compare group
• HSHS Medical Group Inc

  dba HSHS Medical Group Family Medicine - Dieterich

  • Rural Health Clinic/Center
  • Dieterich, IL
  • NPI 1033841192
  NPD
• HSHS Medical Group Inc

  • Internal Medicine Physician
  • Springfield, IL
  • NPI 1912330317
  NPD
• Southern Illinois Healthcare Foundation Inc

  dba SIHF Healthcare

  • Federally Qualified Health Center (FQHC)
  • Waterloo, IL
  • NPI 1821813247
  NPD
• Southern Illinois Healthcare Foundation, Inc.

  dba Cahokia School Based Center

  • School Nurse Practitioner
  • Cahokia, IL
  • NPI 1689739062
  NPD
• SSM Health Care Group

  dba SLUCare Physician Group

  • Dermatopathology Physician
  • Saint Louis, MO
  • NPI 1932844495
  NPD
• HSHS Medical Group Inc

  • Rural Health Clinic/Center
  • Rushville, IL
  • NPI 1487719480
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• SSM-Sluh Inc

  dba SSM Health Saint Louis University Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1942685920
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1755043200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1023994274",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 SAINT ELIZABETH BLVD STE 5000",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622691282",
            "telephone_number": "618-641-5803",
            "fax_number": "618-607-5116"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3 SAINT ELIZABETH BLVD STE 5000",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622691282",
            "telephone_number": "618-641-5803",
            "fax_number": "618-607-5116"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROESSMAN-MARSHALL",
        "first_name": "ANGELA",
        "middle_name": "N",
        "name_prefix": "Ms.",
        "credential": "AGNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-13",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MO",
            "license": "2025034851",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "IL",
            "license": "209032939",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aboyettnelson229512@ewd.direct.hshs.org",
            "affiliation": "N",
            "address_1": "3 Saint Elizabeth Blvd Ste 5000",
            "city": "O Fallon",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622691282",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ANGELA",
            "last_name": "CROESSMAN",
            "middle_name": "N",
            "prefix": "MS.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Adult Health Nurse Practitioner in O'Fallon, IL
• Providers in O'Fallon, IL by specialty
• Adult Health Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.